GPU × local model compatibility
Can RTX 4090 24GB run Qwen 3 30B A3B?
Yes — with limited memory headroom.
Qwen 3 30B A3B fits the RTX 4090's 24GB VRAM at 4-bit and benefits from its high memory bandwidth.
21.49GBVRAM required
24.00GBAvailable memory
2.51GBMemory headroom
Q4_K_MRecommended quantization
8KContext
A lighter Q3_K_M / 8K configuration also fits.
Calculated estimate, not a measured benchmark.